Re: Fastpath while arranging the changes in LSN order in logical decoding
Dilip Kumar <[email protected]>
| Newsgroups | gmane.comp.db.postgresql.devel.general |
|---|---|
| Message-ID | <CAFiTN-u4Moof3EzvxWCCxAc-cxGU3sYNSNGeMYpG=Oj4-O0q1Q@mail.gmail.com> |
On Wed, 8 Jan 2020 at 5:28 PM, Heikki Linnakangas <[email protected]> wrote: > On 25/11/2019 05:52, Dilip Kumar wrote: > > In logical decoding, while sending the changes to the output plugin we > > need to arrange them in the LSN order. But, if there is only one > > transaction which is a very common case then we can avoid building the > > binary heap. A small patch is attached for the same. > > Does this make any measurable performance difference? Building a > one-element binary heap seems pretty cheap. I haven’t really measured the performance for this. I will try to do that next week. Thanks for looking into this. > > -- Regards, Dilip Kumar EnterpriseDB: http://www.enterprisedb.com